JP2003134585A - Speaker with water-repellant net - Google Patents
Speaker with water-repellant netInfo
- Publication number
- JP2003134585A JP2003134585A JP2001328442A JP2001328442A JP2003134585A JP 2003134585 A JP2003134585 A JP 2003134585A JP 2001328442 A JP2001328442 A JP 2001328442A JP 2001328442 A JP2001328442 A JP 2001328442A JP 2003134585 A JP2003134585 A JP 2003134585A
- Authority
- JP
- Japan
- Prior art keywords
- water
- repellent net
- speaker
- frame
- net
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は音響機器や情報通信
機器に使用される撥水ネット付きスピーカに関するもの
である。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water-repellent net-equipped speaker used in audio equipment and information communication equipment.
【０００２】[0002]
【従来の技術】図８は、携帯電話に用いられている防水
性を備えたスピーカの断面を示す。このスピーカでは、
マグネット１を上部プレート２とヨーク３とで挟み込ん
で内磁型の磁気回路４を構成し、ヨーク３の外周部にフ
レーム６を結合し、振動板７を、フレーム６の外周縁部
の立ち上がり部６ａで支持して磁気回路４の上方に配置
し、振動板７を駆動するためのボイスコイル８を、磁気
回路４の磁気ギャップ１０にはまり込むように振動板７
に結合している。また、振動板７を適当間隙をおいて覆
うプロテクタ１１をフレーム６の立ち上がり部６ａに接
着して設け、このプロテクタ１１を覆うように通気通音
性を有する撥水ネット１２を設けている。2. Description of the Related Art FIG. 8 shows a cross section of a waterproof speaker used in a mobile phone. With this speaker,
The magnet 1 is sandwiched between the upper plate 2 and the yoke 3 to form an inner magnet type magnetic circuit 4, the frame 6 is coupled to the outer peripheral portion of the yoke 3, and the vibrating plate 7 is attached to the rising portion of the outer peripheral portion of the frame 6. A voice coil 8 for driving the diaphragm 7 supported by 6a is arranged above the magnetic circuit 4 so that the voice coil 8 is fitted in the magnetic gap 10 of the magnetic circuit 4.
Are bound to. Further, a protector 11 that covers the diaphragm 7 with an appropriate gap is provided by adhering to the rising portion 6a of the frame 6, and a water repellent net 12 having ventilation sound permeability is provided so as to cover the protector 11.
【０００３】図９は撥水ネット１２の断面を示し、樹脂
や天然繊維等の材料を編成加工等したネット基材に、フ
ッ素系樹脂により撥水加工を施したものである。このよ
うな撥水ネット１２は、ハウジングにセットされた電気
／電子部品への外界からの水進入を防止するために特
に、従来より使用されている。FIG. 9 shows a cross section of a water-repellent net 12, which is a net base material obtained by knitting a material such as resin or natural fiber, which is subjected to a water-repellent processing with a fluororesin. Such a water-repellent net 12 has been conventionally used especially for preventing water from entering the electric / electronic parts set in the housing from the outside.
【０００４】[0004]
【発明が解決しようとする課題】ところで、従来のスピ
ーカで使用されている撥水ネット１２は、上記したよう
にフッ素系樹脂で撥水加工が施されているため、接着剤
がなじまず、接着による結合が困難である。フッ素系樹
脂の難接着性は充分に知られるところである。By the way, since the water repellent net 12 used in the conventional speaker is subjected to the water repellent treatment with the fluororesin as described above, the adhesive does not fit well and is bonded. Is difficult to combine with. The difficulty of adhesion of fluororesins is well known.
【０００５】そこで、撥水ネット１２をフレーム６に対
して結合する際に、樹脂製のガスケット１３を用いて、
その一方の面を、フレーム６に接着されたプロテクタ１
１（プロテクタがない場合は振動板７）の外周部に接着
し、他方の面を熱溶融させて撥水ネット１１の結合に利
用するようにしている。そのため、樹脂製のガスケット
１３が必須であるだけでなく、熱溶着設備や熱溶着とい
う非常に時間のかかる工程が必要になるという問題があ
る。Therefore, when the water-repellent net 12 is joined to the frame 6, a resin gasket 13 is used,
One side of the protector 1 adhered to the frame 6
1 (the vibrating plate 7 when there is no protector) is bonded to the outer peripheral portion, and the other surface is heat-melted and used for bonding the water-repellent net 11. Therefore, there is a problem that not only the gasket 13 made of resin is indispensable, but also a very time-consuming process of heat welding equipment and heat welding is required.
【０００６】本発明は上記問題を解決するもので、生産
性の高い撥水ネット付きスピーカを提供することを目的
とするものである。The present invention solves the above problems, and an object of the present invention is to provide a speaker with a water-repellent net having high productivity.
【０００７】[0007]
【課題を解決するための手段】上記課題を解決するため
に本発明は、フッ素系樹脂による撥水性を有しながら、
表面改質処理によって粘接着性が付与された撥水ネット
を用いることで、フレームなどに対して接着結合するよ
うにしたものである。In order to solve the above-mentioned problems, the present invention has
By using a water-repellent net that has been given a viscous adhesive property by a surface modification treatment, it is configured to be adhesively bonded to a frame or the like.
【０００８】すなわち請求項１記載の本発明は、フレー
ムに保持された磁気回路と、ボイスコイルを結合し前記
フレームの外周部に結合された振動板とを有し、通気通
音性を有する撥水ネットが開口部に装着された撥水ネッ
ト付きスピーカであって、前記撥水ネットは、フッ素系
樹脂による撥水加工処理が施されるとともに、被装着部
材への装着面に接着性改善表面改質処理が施され、前記
装着面において粘着材により前記被装着部材に結合され
たことを特徴とする。That is, the present invention according to claim 1 has a magnetic circuit held by a frame and a vibration plate which is connected to a voice coil and is connected to an outer peripheral portion of the frame, and has a ventilation sound-transmitting property. A speaker with a water-repellent net having a water net attached to an opening, wherein the water-repellent net is subjected to a water-repellent finishing treatment with a fluororesin and has a surface improved in adhesion to a mounting member. It is characterized in that it is subjected to a modification treatment and is bonded to the mounted member by an adhesive on the mounting surface.
【０００９】上記したような撥水ネットは、十分な撥水
性を維持しながら装着面の接着性が向上したものとなる
ため、被装着部材に対して高い結合生産性にて結合する
ことが可能である。よって、所望の位置に容易に撥水ネ
ットを設けて、外界からの水侵入を防止し、音響負荷の
制御を実現することができ、スピーカの性能および品質
を向上できるとともに、生産性を大幅に向上できる。Since the water-repellent net as described above has improved adhesiveness on the mounting surface while maintaining sufficient water repellency, it can be bonded to the mounted member with high bonding productivity. Is. Therefore, it is possible to easily install a water repellent net at a desired position, prevent water from entering from the outside world, and realize control of acoustic load, which can improve the performance and quality of the speaker and significantly improve productivity. Can be improved.
【００１０】撥水ネットは、フッ素系樹脂による撥水加
工処理の後に、フッ素減少率４〜５４％、酸素増加率１
４〜１４３％となる接着性改善表面改質処理が施された
ものを好適に使用できる。The water repellent net has a fluorine reduction rate of 4 to 54% and an oxygen increase rate of 1 after being subjected to a water repellent treatment with a fluororesin.
Those that have been subjected to an adhesion improving surface modification treatment of 4 to 143% can be suitably used.
【００１１】撥水ネットはたとえば、以下のように装着
される。
ａ）フレームに展張されフレーム外周部に結合される、
ｂ）フレームに設けられた空気孔を覆い前記空気孔の周
囲部分に結合される、
ｃ）磁気回路を構成する下部プレートのセンターポール
を貫通する空気孔を覆い前記空気孔の周囲部分に結合さ
れる、
ｄ）振動板に設けられた空気孔を覆い前記空気孔の周囲
部分に結合される、
ｅ）ボイスコイルのボビンに設けられた空気孔を覆い前
記空気孔の周囲部分に結合される、
ｆ）ボイスコイルを覆うダストキャップの少なくとも一
部を構成し、前記ボイスコイルあるいは振動板あるいは
フレームに結合される。The water repellent net is mounted as follows, for example. a) extended to the frame and connected to the outer peripheral part of the frame; b) connected to the peripheral part of the air hole covering the air hole provided in the frame; c) penetrating the center pole of the lower plate constituting the magnetic circuit Which is connected to the peripheral portion of the air hole covering the air hole, d) is connected to the peripheral portion of the air hole covering the air hole provided in the diaphragm, and e) is air provided to the bobbin of the voice coil The holes cover the holes and are coupled to the peripheral portion of the air holes. F) At least a part of the dust cap that covers the voice coil is formed, and the dust cap is coupled to the voice coil, the diaphragm, or the frame.
【００１２】[0012]
【発明の実施の形態】以下、本発明の実施の形態を図面
に基づいて説明する。
（実施の形態１）図１は本発明の実施の形態１における
撥水ネット付きスピーカの断面を示す。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. (Embodiment 1) FIG. 1 shows a cross section of a speaker with a water repellent net according to Embodiment 1 of the present invention.
【００１３】このスピーカは、先に図８を用いて説明し
た従来のスピーカとほぼ同様の構成を有しており、マグ
ネット１を上部プレート２とヨーク３とで挟み込んで内
磁型の磁気回路４を構成している。そして、ヨーク３の
外周部にフレーム６を結合し、振動板７を、フレーム６
の外周縁部の立ち上がり部６ａで支持して磁気回路４の
上方に配置し、振動板７を駆動するためのボイスコイル
８を、磁気回路４の磁気ギャップ１０にはまり込むよう
に振動板７に結合している。また、振動板７を適当間隙
をおいて覆うプロテクタ１１をフレーム６の立ち上がり
部６ａに接着して設け、このプロテクタ１１を覆うよう
に通気通音性を有する撥水ネット１２を設けている。This speaker has substantially the same structure as the conventional speaker described above with reference to FIG. 8, and the magnet 1 is sandwiched between the upper plate 2 and the yoke 3 to form the inner magnet type magnetic circuit 4. Are configured. Then, the frame 6 is coupled to the outer peripheral portion of the yoke 3, and the diaphragm 7 is connected to the frame 6
The voice coil 8 for driving the diaphragm 7 supported by the rising portion 6a of the outer peripheral edge portion of the magnetic circuit 4 is mounted on the diaphragm 7 so as to fit into the magnetic gap 10 of the magnetic circuit 4. Are connected. Further, a protector 11 that covers the diaphragm 7 with an appropriate gap is provided by adhering to the rising portion 6a of the frame 6, and a water repellent net 12 having ventilation sound permeability is provided so as to cover the protector 11.
【００１４】このスピーカが従来のものと異なるのは、
前記撥水ネット１２を、その外周縁部において粘着材１
４によりフレーム６に立ち上がり部６ａの上端面に接着
結合している点である。The difference between this speaker and the conventional one is that
The water repellent net 12 is provided with an adhesive material 1 at its outer peripheral edge portion.
4 is that the frame 6 is adhesively bonded to the upper end surface of the rising portion 6a.
【００１５】詳細には、撥水ネット１２は、ネット基材
の片面にフッ素系樹脂による撥水加工が施され、もう片
面に接着性改善表面改質処理が施されている。そして、
それにより接着性が良好となった前記片面の外周縁部
に、図２に示すように適当な大きさの前記粘着材１４が
接着され、この粘着材１４を介して、フレーム６に接着
結合されている。More specifically, the water-repellent net 12 has one surface of the net base material subjected to a water-repellent treatment with a fluororesin and the other surface thereof subjected to an adhesion-improving surface modification treatment. And
As a result, the adhesive material 14 having an appropriate size is adhered to the outer peripheral edge of the one surface where the adhesiveness is improved, and the adhesive material 14 is adhesively bonded to the frame 6 via the adhesive material 14. ing.
【００１６】つまり、接着性が向上した撥水ネット１２
を用いることにより、従来のような樹脂ガスケットを要
することなく、粘着材１４によって、撥水ネット１２を
フレーム６に対して結合しているのである。このことに
より、装着工程の生産性が大幅に向上し、装着品質も向
上する。通気通音性・撥水性は、上記のような表面改質
処理が施されていない撥水ネットとほぼ同等である。That is, the water repellent net 12 having improved adhesiveness.
By using, the water-repellent net 12 is bonded to the frame 6 by the adhesive material 14 without the need for a conventional resin gasket. This greatly improves the productivity of the mounting process and improves the mounting quality. The ventilation sound permeability and water repellency are almost the same as those of the water repellent net which is not subjected to the surface modification treatment as described above.
【００１７】なお、撥水ネット１２のネット基材の材料
としては、撥水性を発揮するのに十分な量のフッ素系樹
脂を担持することができ、かつ担持したフッ素系樹脂に
よって通気通音性が損なわれないものが使用される。そ
のような材料には、樹脂や天然繊維等を編成加工した材
料の他、不織布、織物、綱、孔あきシート、メッシュ構
造体等がある。As the material of the net base material of the water-repellent net 12, a sufficient amount of fluororesin can be carried to exhibit water repellency, and the carried fluororesin can be used. The one that does not deteriorate is used. Such materials include knitted materials such as resins and natural fibers, as well as non-woven fabrics, woven fabrics, ropes, perforated sheets and mesh structures.
【００１８】フッ素系樹脂による撥水加工処理は、ＰＴ
ＦＥ（ポリテトラフルオロエチレン）やＰＦＡ（テトラ
フルオロエチレン・パーフルオロアルキルビニルエーテ
ル共重合体）などのフッ素系樹脂を用いる、一般的な撥
水加工処理である。The water-repellent finishing treatment with a fluorine-based resin is PT
This is a general water repellent finishing treatment using a fluorine resin such as FE (polytetrafluoroethylene) or PFA (tetrafluoroethylene / perfluoroalkyl vinyl ether copolymer).
【００１９】接着性改善表面改質処理は、スパッタエッ
チング処理、プラズマジェット処理、コロナ放電処理等
の乾式放電処理に代表される、既知の表面改質処理であ
り、撥水加工処理を終了した撥水ネットに対して、装着
面の全面に、あるいは装着面の接合部分に施される。The adhesion improving surface modification treatment is a known surface modification treatment typified by dry discharge treatment such as sputter etching treatment, plasma jet treatment, corona discharge treatment, and the like. It is applied to the entire surface of the mounting surface of the water net or at the joint portion of the mounting surface.
【００２０】粘着材としては、両面テープ状のもの、装
着面に塗布あるいはスプレー可能な液状のものなど、種
々の粘接着材（粘接着剤）を使用可能である。撥水ネッ
ト１２の撥水性および接着性について詳述する。As the adhesive material, various adhesives (adhesives) such as a double-sided tape, a liquid which can be applied or sprayed on the mounting surface can be used. The water repellency and adhesiveness of the water repellent net 12 will be described in detail.
【００２１】ポリエステル繊維よりなるクロスをネット
基材とし、フッ素系樹脂を含浸させる両面撥水加工処理
が施された撥水ネットに対して、片面のみ、プラズマジ
ェット処理またはコロナ放電処理を実施し、この表面改
質処理済みの撥水ネットの接着性を評価するために、両
面粘着テープ（日東電工株式会社、ＮＯ．５００）を用
いて１８０度剥離力を試験した。[0021] A cloth made of polyester fiber is used as a net base material, and a water-repellent net impregnated with a fluororesin has been subjected to a water-repellent net treatment. In order to evaluate the adhesiveness of the surface-modified water-repellent net, a 180-degree peel force was tested using a double-sided adhesive tape (Nitto Denko Corporation, NO.500).
【００２２】その結果、フッ素系樹脂としてＰＴＦＥが
用いられた撥水ネットは、フッ素減少率１０％、かつ酸
素増加率３０％となる表面改質処理（Ｘ線光電子分光分
析を用いて構成元素の比率を計算）で、処理面に、シー
ル加工に必要な５００ｇ／１９ｍｍを満足する７８０ｇ
／１９ｍｍの接着力を有し、非処理面（背面）は、表面
改質処理しないものと同等に水をはじいた。また、フッ
素減少率４〜５４％、かつ酸素増加率１４〜１４３％の
範囲で、処理面に５００ｇ／１９ｍｍを満足する粘接着
性を有し、非処理面（背面）に十分な撥水性を維持して
いた。As a result, the water repellent net in which PTFE was used as the fluorine-based resin was subjected to a surface modification treatment in which the reduction rate of fluorine was 10% and the increase rate of oxygen was 30% (by using X-ray photoelectron spectroscopy, 780g that satisfies the requirement of 500g / 19mm for sealing on the treated surface
It had an adhesive strength of / 19 mm and the non-treated surface (back surface) repelled water in the same manner as the surface-untreated surface. Further, in the range of the fluorine reduction rate of 4 to 54% and the oxygen increase rate of 14 to 143%, the treated surface has adhesiveness satisfying 500 g / 19 mm, and the non-treated surface (back surface) has sufficient water repellency. Was maintained.
【００２３】フッ素および酸素が上記した範囲より小さ
いと、５００ｇ／１９ｍｍを満足する粘接着性は得られ
ず、上記した範囲より大きいと、両面ともに改質されて
しまい必要な撥水性が残らなかった。この結果は、ＰＦ
Ａなどの他のフッ素系樹脂が用いられた撥水ネットでも
同様であった。When the amount of fluorine and oxygen is less than the above range, the tackiness and adhesion satisfying 500 g / 19 mm cannot be obtained. When the amount of fluorine and oxygen is more than the above range, both surfaces are modified and necessary water repellency does not remain. It was This result is PF
The same was true for the water-repellent net using other fluororesin such as A.
【００２４】よって、フッ素減少率４〜５４％、酸素増
加率１４〜１４３％となる接着性改善表面改質処理が装
着面に施された撥水ネットを用いることにより、撥水加
工処理にされた従来の撥水ネットとほぼ同等の通気通音
性・撥水性は維持しながら、高い接着信頼性を確保でき
る。
（実施の形態２）図３は本発明の実施の形態２における
撥水ネット付きスピーカの断面を示す。Therefore, by using the water repellent net on the mounting surface, the water repellent net is subjected to the adhesion improving surface modification treatment such that the fluorine reduction rate is 4 to 54% and the oxygen increase rate is 14 to 143%. It is possible to secure high adhesive reliability while maintaining ventilation sound permeability and water repellency that are almost the same as those of conventional water repellent nets. (Embodiment 2) FIG. 3 shows a cross section of a speaker with a water-repellent net according to Embodiment 2 of the present invention.
【００２５】このスピーカが実施の形態１のスピーカと
相違するのは、フレーム６に形成された空気孔６ｂを覆
うように、振動板７に背反する側に撥水ネット１２ａが
配置され、空気孔６ｂの周囲部分のフレーム６に対して
接着されている点である。This speaker differs from the speaker of the first embodiment in that a water repellent net 12a is arranged on the side opposite to the diaphragm 7 so as to cover the air hole 6b formed in the frame 6, and the air hole is formed. This is the point of being bonded to the frame 6 in the peripheral portion of 6b.
【００２６】この撥水ネット１２ａは、フレーム６への
接合部分に対して実施の形態１と同様の表面改質処理が
施されていて、その改質処理部分で、実施の形態１と同
様に（図示せず）を介してフレーム６に接着されてい
る。The surface of the water repellent net 12a joined to the frame 6 is subjected to the same surface modification treatment as in the first embodiment, and the modified portion is the same as in the first embodiment. It is adhered to the frame 6 via (not shown).
【００２７】このような構成のスピーカにおいても、撥
水ネット１２ａを設けたことで、空気孔６ｂからの水滴
侵入防止と音響負荷の制御を実現でき、しかも撥水ネッ
ト１２ａの接着性が高いことから、装着工程の生産性、
装着品質の向上を実現できる。
（実施の形態３）図４は本発明の実施の形態３における
撥水ネット付きスピーカの断面を示す。Also in the speaker having such a structure, by providing the water repellent net 12a, it is possible to prevent water droplets from entering through the air holes 6b and control the acoustic load, and the water repellent net 12a has high adhesiveness. From the productivity of the mounting process,
The mounting quality can be improved. (Embodiment 3) FIG. 4 shows a cross section of a speaker with a water-repellent net according to Embodiment 3 of the present invention.
【００２８】このスピーカは、従来よりある外磁型の磁
気回路を採用したものであって、マグネット１と上部プ
レート２と下部プレート5とで磁気回路４を構成してお
り、下部プレート5のセンターポール１５の外周側に磁
気ギャップ１０を形成している。そして、コーン状のフ
レーム６をその内周部において上部プレート２に結合
し、同じくコーン状の振動板７をその外周部においてフ
レーム６の外周部に結合し、振動板７を駆動するボイス
コイル８のボビン１６を、ボイスコイル８が磁気ギャッ
プ１０にはまり込むように振動板７の内周端に結合して
いる。また、ボイスコイル８のボビン１５をボイスコイ
ル８と振動板７とのほぼ中間位置でフレーム６に結合す
るルーズな支持部材１７を設け、振動板７の中央穴７ａ
を覆うようにダストキャップ１８を配置して振動板７に
結合している。This speaker employs a conventional external magnet type magnetic circuit. The magnet 1, the upper plate 2 and the lower plate 5 form a magnetic circuit 4, and the center of the lower plate 5 is used. The magnetic gap 10 is formed on the outer peripheral side of the pole 15. Then, the cone-shaped frame 6 is connected to the upper plate 2 at the inner peripheral portion thereof, and the cone-shaped diaphragm 7 is also connected to the outer peripheral portion of the frame 6 at the outer peripheral portion thereof to drive the diaphragm 7. The bobbin 16 is coupled to the inner peripheral end of the diaphragm 7 so that the voice coil 8 fits in the magnetic gap 10. Further, a loose support member 17 for connecting the bobbin 15 of the voice coil 8 to the frame 6 is provided at a substantially intermediate position between the voice coil 8 and the diaphragm 7, and the central hole 7a of the diaphragm 7 is provided.
A dust cap 18 is disposed so as to cover the diaphragm 7 and is coupled to the diaphragm 7.
【００２９】このスピーカが従来のものと相違するの
は、センターポール１５の貫通孔１５ａを振動板７に背
反する側から覆うように、実施の形態１で説明したのと
同様の撥水ネット１２ｂを配置し、貫通孔１５ａの周囲
部分の下部プレート５に対して（図示せず）で接着して
いる点である。This speaker differs from the conventional one in that a water repellent net 12b similar to that described in the first embodiment is provided so as to cover the through hole 15a of the center pole 15 from the side opposite to the diaphragm 7. Is disposed and is bonded (not shown) to the lower plate 5 in the peripheral portion of the through hole 15a.
【００３０】このような構成のスピーカでは、撥水ネッ
ト１２ｂを設けたことで、貫通孔１５ａからの水滴侵入
防止と音響負荷の制御を実現でき、しかも撥水ネット１
２ｂの接着性が高いことから、装着工程の生産性、装着
品質の向上を実現できる。
（実施の形態４）図５は本発明の実施の形態４における
撥水ネット付きスピーカの断面を示す。In the speaker having such a structure, by providing the water-repellent net 12b, it is possible to prevent the intrusion of water droplets from the through hole 15a and control the acoustic load.
Since the adhesiveness of 2b is high, the productivity of the mounting process and the mounting quality can be improved. (Embodiment 4) FIG. 5 shows a cross section of a speaker with a water repellent net according to Embodiment 4 of the present invention.
【００３１】このスピーカは実施の形態３のスピーカと
ほぼ同様の構成を有しているが、振動板７におけるボイ
スコイル８の結合部近傍に空気孔７ｂが形成されてい
て、この空気孔７ｂをボイスコイル８に背反する側から
覆うように、実施の形態１で説明したのと同様の撥水ネ
ット１２ｃを配置し、空気孔７ｂの周囲部分の振動板７
に対して（図示せず）で接着している点で異なってい
る。This speaker has substantially the same structure as the speaker of the third embodiment, but an air hole 7b is formed in the vibrating plate 7 in the vicinity of the connecting portion of the voice coil 8, and this air hole 7b is formed. A water-repellent net 12c similar to that described in the first embodiment is arranged so as to cover the voice coil 8 from the side opposite thereto, and the diaphragm 7 around the air hole 7b is arranged.
The difference is that they are bonded to each other (not shown).
【００３２】このような構成のスピーカでは、撥水ネッ
ト１２ｃを設けたことで、空気孔７ｂからの水滴侵入防
止と音響負荷の制御を実現でき、しかも撥水ネット１２
ｃの接着性が高いことから、装着工程の生産性、装着品
質の向上を実現できる。
（実施の形態５）図６は本発明の実施の形態５における
撥水ネット付きスピーカの断面を示す。In the speaker having such a structure, by providing the water repellent net 12c, it is possible to prevent water droplets from entering through the air holes 7b and control the acoustic load.
Since the adhesiveness of c is high, the productivity of the mounting process and the mounting quality can be improved. (Embodiment 5) FIG. 6 shows a cross section of a speaker with a water repellent net according to Embodiment 5 of the present invention.
【００３３】このスピーカは実施の形態３のスピーカと
ほぼ同様の構成を有しているが、ボイスコイル８の結合
部近傍のボビン１６に空気孔１６ａが形成されていて、
この空気孔１６ａを覆うように、実施の形態１で説明し
たのと同様の撥水ネット１２ｄを配置し、空気孔１６ａ
の周囲部分のボビン１６に対して（図示せず）で接着し
ている点で異なっている。This speaker has substantially the same structure as the speaker of the third embodiment, except that an air hole 16a is formed in the bobbin 16 near the connecting portion of the voice coil 8.
A water repellent net 12d similar to that described in the first embodiment is arranged so as to cover the air holes 16a, and the air holes 16a are formed.
The difference is that they are bonded to the bobbin 16 (not shown) on the peripheral portion of the.
【００３４】このような構成のスピーカでは、撥水ネッ
ト１２ｄを設けたことで、空気孔１６ａからの水滴侵入
防止と音響負荷の制御を実現でき、しかも撥水ネット１
２ｄの接着性が高いことから、装着工程の生産性、装着
品質の向上を実現できる。
（実施の形態６）図７は本発明の実施の形態６における
撥水ネット付きスピーカの断面を示す。In the speaker having such a structure, by providing the water repellent net 12d, it is possible to prevent water droplets from entering through the air holes 16a and control the acoustic load.
Since the adhesiveness of 2d is high, it is possible to improve the productivity of the mounting process and the mounting quality. (Embodiment 6) FIG. 7 shows a cross section of a speaker with a water-repellent net according to Embodiment 6 of the present invention.
【００３５】このスピーカは実施の形態３のスピーカと
ほぼ同様の構成を有しているが、ダストキャップ１８の
全体を撥水ネットで構成している点で異なっている。こ
のような構成のスピーカでは、ダストキャップ１８によ
って、水滴侵入防止と音響負荷の制御を実現でき、しか
もダストキャップ１８の接着性が高いことから、装着工
程の生産性、装着品質の向上を実現できる。This speaker has substantially the same structure as the speaker of the third embodiment, but is different in that the entire dust cap 18 is made of a water repellent net. In the speaker having such a configuration, the dust cap 18 can prevent water droplets from entering and control the acoustic load. Further, since the dust cap 18 has high adhesiveness, productivity in the mounting process and improvement in mounting quality can be realized. .
【００３６】なお、ダストキャップ１８の一部のみ撥水
ネットで構成してもよく、その場合も同様の効果が得ら
れる。Incidentally, only a part of the dust cap 18 may be constituted by a water repellent net, and in that case, the same effect can be obtained.
【００３７】[0037]
【発明の効果】以上のように本発明のスピーカは、装着
面の接着性を改善した撥水ネットを用いることで、所望
の位置に高い結合生産性にて配置することを可能ならし
め、水滴侵入防止と音響負荷の制御を実現したものであ
る。よって、スピーカの性能と品質の向上を実現できる
とともに、生産性の大幅向上、コスト削減を実現するこ
とができ、その工業的価値は非常に大なるものである。INDUSTRIAL APPLICABILITY As described above, the speaker according to the present invention can be arranged at a desired position with high bonding productivity by using the water repellent net having improved adhesiveness on the mounting surface. It realizes intrusion prevention and control of acoustic load. Therefore, the performance and quality of the speaker can be improved, the productivity can be greatly improved, and the cost can be reduced, and the industrial value thereof is extremely large.
【図１】本発明の実施の形態１における撥水ネット付き
スピーカの断面図FIG. 1 is a cross-sectional view of a speaker with a water repellent net according to a first embodiment of the present invention.
【図２】図１のスピーカに装着された撥水ネットの側面
図FIG. 2 is a side view of a water repellent net attached to the speaker of FIG.
【図３】本発明の実施の形態２における撥水ネット付き
スピーカの断面図FIG. 3 is a sectional view of a speaker with a water repellent net according to a second embodiment of the present invention.
【図４】本発明の実施の形態３における撥水ネット付き
スピーカの断面図FIG. 4 is a sectional view of a speaker with a water repellent net according to a third embodiment of the present invention.
【図５】本発明の実施の形態４における撥水ネット付き
スピーカの断面図FIG. 5 is a sectional view of a speaker with a water repellent net according to a fourth embodiment of the present invention.
【図６】本発明の実施の形態５における撥水ネット付き
スピーカの断面図FIG. 6 is a sectional view of a speaker with a water-repellent net according to a fifth embodiment of the present invention.
【図７】本発明の実施の形態６における撥水ネット付き
スピーカの断面図FIG. 7 is a sectional view of a speaker with a water repellent net according to a sixth embodiment of the present invention.
【図８】従来の撥水ネット付きスピーカの断面図FIG. 8 is a cross-sectional view of a conventional speaker with a water-repellent net.
【図９】図８のスピーカに装着された撥水ネットの側面
図9 is a side view of the water-repellent net attached to the speaker of FIG.
４ 磁気回路 ６ フレーム ７ 振動板 ８ ボイスコイル 10 磁気ギャップ 12 撥水ネット 14 粘着材 18 ダストキャップ 4 magnetic circuit 6 frames 7 diaphragm 8 voice coils 10 magnetic gap 12 Water repellent net 14 Adhesive 18 dust cap
───────────────────────────────────────────────────── フロントページの続き (72)発明者 下川床 剛 大阪府門真市大字門真1006番地 松下電器 産業株式会社内 (72)発明者 中島 正二 大阪府門真市大字門真1006番地 松下電器 産業株式会社内 (72)発明者 奥澤 和朗 大阪府門真市大字門真1006番地 松下電器 産業株式会社内 (72)発明者 隅山 昌英 大阪府門真市大字門真1006番地 松下電器 産業株式会社内 (72)発明者 上井 正次 大阪府門真市大字門真1006番地 松下電器 産業株式会社内 (72)発明者 上森 一好 大阪府茨木市下穂積１丁目１番２号 日東 電工株式会社内 (72)発明者 坂上 平治郎 大阪府茨木市下穂積１丁目１番２号 日東 電工株式会社内 Ｆターム(参考） 5D012 BA09 BD00 FA09 5D017 AF08 ─────────────────────────────────────────────────── ─── Continued front page (72) Inventor Tsuyoshi Shimokawa 1006 Kadoma, Kadoma-shi, Osaka Matsushita Electric Sangyo Co., Ltd. (72) Inventor Shoji Nakajima 1006 Kadoma, Kadoma-shi, Osaka Matsushita Electric Sangyo Co., Ltd. (72) Inventor Kazuo Okusawa 1006 Kadoma, Kadoma-shi, Osaka Matsushita Electric Sangyo Co., Ltd. (72) Inventor Masahide Sumiyama 1006 Kadoma, Kadoma-shi, Osaka Matsushita Electric Sangyo Co., Ltd. (72) Inventor Masatsugu Uei 1006 Kadoma, Kadoma-shi, Osaka Matsushita Electric Sangyo Co., Ltd. (72) Inventor Kazuyoshi Uemori 1-2 1-2 Shimohozumi, Ibaraki City, Osaka Prefecture Nitto Electric Works Co., Ltd. (72) Inventor Heijiro Sakagami 1-2 1-2 Shimohozumi, Ibaraki City, Osaka Prefecture Nitto Electric Works Co., Ltd. F-term (reference) 5D012 BA09 BD00 FA09 5D017 AF08
Claims (8)
スコイルを結合し前記フレームの外周部に結合された振
動板とを有し、通気通音性を有する撥水ネットが開口部
に装着された撥水ネット付きスピーカであって、 前記撥水ネットが、フッ素系樹脂による撥水加工処理が
施されるとともに、被装着部材への装着面に接着性改善
表面改質処理が施され、前記装着面において粘着材によ
り前記被装着部材に結合された撥水ネット付きスピー
カ。1. A water-repellent net having ventilation and sound-transmitting properties, comprising: a magnetic circuit held by a frame; and a vibration plate coupled with a voice coil, the diaphragm being coupled to an outer peripheral portion of the frame. A water-repellent net-equipped speaker, wherein the water-repellent net is subjected to a water-repellent finishing treatment with a fluororesin, and a surface to be attached to a member to be attached is subjected to an adhesion-improving surface modification treatment, A speaker with a water-repellent net, which is attached to the member to be attached by an adhesive on the attachment surface.
加工処理の後に、フッ素減少率４〜５４％、酸素増加率
１４〜１４３％となる接着性改善表面改質処理が施され
た請求項１記載の撥水ネット付きスピーカ。2. The water-repellent net is subjected to a water-repellent finishing treatment with a fluororesin, and then subjected to an adhesion-improving surface modification treatment with a fluorine reduction rate of 4 to 54% and an oxygen increase rate of 14 to 143%. Item 1. A speaker with a water repellent net according to item 1.
ーム外周部に結合された請求項１記載の撥水ネット付き
スピーカ。3. The speaker with a water-repellent net according to claim 1, wherein the water-repellent net is stretched on a frame and joined to an outer peripheral portion of the frame.
気孔を覆い前記空気孔の周囲部分に結合された請求項１
記載の撥水ネット付きスピーカ。4. The water repellent net covers air holes provided in a frame and is connected to a peripheral portion of the air holes.
Speaker with water repellent net as described.
プレートのセンターポールを貫通する空気孔を覆い前記
空気孔の周囲部分に結合された請求項１記載の撥水ネッ
ト付きスピーカ。5. The speaker with a water-repellent net according to claim 1, wherein the water-repellent net covers an air hole penetrating a center pole of a lower plate forming a magnetic circuit and is connected to a peripheral portion of the air hole.
孔を覆い前記空気孔の周囲部分に結合された請求項１記
載の撥水ネット付きスピーカ。6. The speaker with a water-repellent net according to claim 1, wherein the water-repellent net covers an air hole provided in the diaphragm and is coupled to a peripheral portion of the air hole.
設けられた空気孔を覆い前記空気孔の周囲部分に結合さ
れた請求項１記載の撥水ネット付きスピーカ。7. The speaker with a water-repellent net according to claim 1, wherein the water-repellent net covers an air hole provided on the bobbin of the voice coil and is connected to a peripheral portion of the air hole.
トキャップの少なくとも一部を構成し、前記ボイスコイ
ルあるいは振動板あるいはフレームに結合された請求項
１に記載の撥水ネット付きスピーカ。8. The speaker with a water-repellent net according to claim 1, wherein the water-repellent net constitutes at least a part of a dust cap that covers the voice coil and is connected to the voice coil, the diaphragm or the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001328442A JP3989222B2 (en) | 2001-10-26 | 2001-10-26 | Speaker with water repellent net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001328442A JP3989222B2 (en) | 2001-10-26 | 2001-10-26 | Speaker with water repellent net |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006326398A Division JP4393507B2 (en) | 2006-12-04 | 2006-12-04 | Speaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003134585A true JP2003134585A (en) | 2003-05-09 |
| JP3989222B2 JP3989222B2 (en) | 2007-10-10 |
Family
ID=19144501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001328442A Expired - Fee Related JP3989222B2 (en) | 2001-10-26 | 2001-10-26 | Speaker with water repellent net |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3989222B2 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006217452A (en) * | 2005-02-07 | 2006-08-17 | Matsushita Electric Ind Co Ltd | Loudspeaker |
| KR20070090694A (en) * | 2006-03-03 | 2007-09-06 | 주식회사 이엠텍 | Microspeaker with water proof device |
| EP1971185A1 (en) * | 2006-01-24 | 2008-09-17 | Matsushita Electric Industrial Co., Ltd. | Speaker and electronic apparatus and device using the same |
| KR100903606B1 (en) | 2007-10-09 | 2009-06-18 | 지디텍 주식회사 | Bone conduction Earphone device haning a fuction of waterproof |
| US8009855B2 (en) | 2006-05-29 | 2011-08-30 | Tohoku Pioneer Corporation | Speaker |
| JP2013197681A (en) * | 2012-03-16 | 2013-09-30 | Mitsubishi Electric Corp | Waterproof speaker, and method of manufacturing the same |
| JP2016034642A (en) * | 2015-10-26 | 2016-03-17 | 日東電工株式会社 | Oil repellent air permeable material and method for manufacturing the same |
| CN106911974A (en) * | 2015-12-23 | 2017-06-30 | 奥音科技（北京）有限公司 | The method of the housing of housing and manufacture with gauze with gauze |
-
2001
- 2001-10-26 JP JP2001328442A patent/JP3989222B2/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006217452A (en) * | 2005-02-07 | 2006-08-17 | Matsushita Electric Ind Co Ltd | Loudspeaker |
| EP1971185A1 (en) * | 2006-01-24 | 2008-09-17 | Matsushita Electric Industrial Co., Ltd. | Speaker and electronic apparatus and device using the same |
| EP1971185A4 (en) * | 2006-01-24 | 2009-04-01 | Panasonic Corp | Speaker and electronic apparatus and device using the same |
| US8335338B2 (en) | 2006-01-24 | 2012-12-18 | Panasonic Corporation | Speaker and electronic apparatus and device using the same |
| KR20070090694A (en) * | 2006-03-03 | 2007-09-06 | 주식회사 이엠텍 | Microspeaker with water proof device |
| US8009855B2 (en) | 2006-05-29 | 2011-08-30 | Tohoku Pioneer Corporation | Speaker |
| KR100903606B1 (en) | 2007-10-09 | 2009-06-18 | 지디텍 주식회사 | Bone conduction Earphone device haning a fuction of waterproof |
| JP2013197681A (en) * | 2012-03-16 | 2013-09-30 | Mitsubishi Electric Corp | Waterproof speaker, and method of manufacturing the same |
| JP2016034642A (en) * | 2015-10-26 | 2016-03-17 | 日東電工株式会社 | Oil repellent air permeable material and method for manufacturing the same |
| CN106911974A (en) * | 2015-12-23 | 2017-06-30 | 奥音科技（北京）有限公司 | The method of the housing of housing and manufacture with gauze with gauze |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3989222B2 (en) | 2007-10-10 |
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